Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.71
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -4.03 -0.441 1.78
Fertility Sub Index 5.14
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.05 1.117 1.17
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.55
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 17.06

* Based on an €80/tonne carbon price